Thanks all. This was quick :) On Sat, May 22, 2010 at 8:46 AM, Vaclav Bartacek < vaclav.barta...@spolecne.cz> wrote:
> As for the datastore - you can create abstract DAO layer which hides > the actual implementation. Try AuDAO tool (http://audao.spoledge.com) > to generate an abstract DAO layer + implementation for GAE, MySQL or > Oracle DBs. > However, if you want to optimize the code and also due to several > restrictions on GAE's datastore (queries, transactions and keys), even > the abstract DAO layer will differ for GAE and e.g. MySQL > implementations (e.g. in GAE it can be more efficient to use multi- > value fields = Lists than to decompose the entity (table) into more > entities (tables)). > > Vaclav > > > On May 22, 12:35 am, aijazzz <aija...@gmail.com> wrote: > > Hi, > > I was looking to some examples to start my work on google appengine > > application and found out that I have to use appengine related code in > > source. For example, in a database example I found this, > > import com.google.appengine.api.datastore.Key; > > > > I am wondering if there is a way I can keep my code clean so that I > > can use same code in another environment? > > Please suggest. Thanks. > > > > regards, > > Ijaz > > > > -- > > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > > To post to this group, send email to > google-appengine-j...@googlegroups.com. > > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > . > > For more options, visit this group athttp:// > groups.google.com/group/google-appengine-java?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > google-appengine-j...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-j...@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
